firewall

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fire·wall

(fīr'wawl)
1. A special building material that is placed in walls between buildings or rooms to prevent the spread of fire.
2. A software program designed to prevent unauthorized persons from accessing a computer system.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

firewall

A set of programs that protects the resources of a private computer network from users of other networks. It screens the messages that attempt to enter or leave the network and permits or denies access to outside users based on pre-programmed rules.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The ProSafe Wireless ADSL Modem VPN Firewall Router DGFV338 is a comprehensive standards-based, VPNC compliant security solution designed to enable small- and medium-sized companies to share and secure the broadband connection while providing a secure network.
In addition to compatibility with all NETGEAR VPN security products and client software, the VPNC-certifiable ProSafe VPN Firewall Routers are also fully compatible with other major IPSec VPN devices or client software including Safenet and Microsoft Windows 2000 and XP clients, as well as Cisco IOS, Juniper/Netscreen, Checkpoint, and others via VNPC.
NETGEAR has also released the next-generation of its popular wired gateway, the new DG834 ADSL Firewall Router. Four products in one, the DG834 includes a built-in ADSL modem for continuously available broadband access, in addition to a router, 10/100 LAN switch, and firewall.
Utilising its VPN Firewall routers FV538 and DGFV338, NETGEAR will implement the VPN solution using ADSL Internet services, thereby eliminating the need for costly dedicated link or static IP from the ISP.